[Hiring] Senior Java Engineer @Ambush

Role Description

You will join a distributed team building and modernizing backend platforms with Java, Spring Boot and microservices. Communication with the client is in English.

We're looking for a hands-on backend engineer who delivers production features end to end in a Java microservices environment.

Responsibilities

• Design, build and maintain backend services with Java and Spring Boot
• Develop REST APIs and event-driven integrations with Kafka
• Write clean, tested code and take part in code reviews
• Work with architects and product owners to break down requirements and estimate work
• Support production issues and improve performance and reliability

Qualifications

• 6+ years of professional backend development with Java (Java 11+; strong in Java 8+ features such as streams and lambdas)
• Solid Core Java: OOP, design patterns, collections, multithreading and concurrency
• Production experience with Spring Boot and microservices architecture
• REST API design and integration
• Relational databases and SQL (PostgreSQL, Oracle or similar)
• Event streaming or messaging with Kafka or similar
• Git, CI/CD pipelines (e.g. Jenkins) and Docker
• Unit and integration testing (JUnit, Mockito)
• Fluent English for daily work with the client
• Based in Spain or Poland with the right to work there

Requirements

• Experience in banking, payments or other financial services
• AWS (or another major cloud provider)
• Kubernetes
• Hibernate / JPA
• Frontend exposure with React or Angular
• Experience on consulting or client-facing projects